441 search results - page 23 / 89 » Query expansion using random walk models |
VTC
2006
IEEE
14 years 3 months ago
2006
IEEE
— Mobility models are widely used in simulation-based performance analyses of mobile networks. However, there is a trade-off between simplicity and realistic movement patterns. S...
SIGIR
1999
ACM
14 years 2 months ago
1999
ACM
A content-based retrieval model for tackling the mismatch problems specific to music data is proposed and implemented. The system uses a pitch profile encoding for queries in any ...
CIVR
2010
Springer
14 years 8 days ago
2010
Springer
Most existing reranking approaches to image search focus solely on mining "visual" cues within the initial search results. However, the visual information cannot always ...
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
ICTIR
2009
Springer
14 years 4 months ago
2009
Springer
We introduce perturbation kernels, a new class of similarity measure for information retrieval that casts word similarity in terms of multi-task learning. Perturbation kernels mode...